#canvas-container {
  width: 80%;
  height: 400px;
  background-color: #ffffff;
  border: 1px solid red;
  position: relative;
}

.editor-line-x {
  position: absolute;
  top: 0;
  bottom: 0;
  border-left: 1px dashed #1890ff;
}

.editor-line-y {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px dashed #1890ff;
}
